4C2A: Von willebrand factor

Crystal Structure of High-Affinity von Willebrand Factor A1 domain with R1306Q and I1309V Mutations in Complex with High Affinity GPIb alpha. Determined by X-ray diffraction at 2.08 Å resolution. Released 8 Jan 2014.

Method
X-ray diffraction
Resolution
2.08 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
3,942
Mol. weight
57.5 kDa
Ligands
CA, CAC
Released
8 Jan 2014

Explore 4C2A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4C2A contains 18 α-helices and 29 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 11 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand127411
β-strand1276-128382
β-strand128513
α-helix1290-130617
β-strand1314-132182
β-strand1325-132952
α-helix1337-13459
α-helix1347-13493
β-strand135213
α-helix1357-13637
α-helix1364-13685
β-strand1378-138582
α-helix1391-13933
α-helix1397-140610
β-strand1409-141682
α-helix1422-143110
β-strand1438-144032
α-helix1443-14453
α-helix1446-146015
α-helix14621
β-strand146311
Chain B: 7 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand5-954
β-strand12-1654
α-helix25-262
β-strand35-3734
β-strand45-4735
α-helix48-514
β-strand59-6134
β-strand69-7135
β-strand81-8334
β-strand104-10634
β-strand128-13034
β-strand152-15434
β-strand176-17834
β-strand199-20134
β-strand20716
α-helix211-2133
α-helix214-2229
α-helix224-2263
β-strand22714
β-strand228-23362
β-strand236-24162
α-helix243-2453
β-strand24717
β-strand24816
β-strand25517
α-helix256-2583

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Von willebrand factorAprotein215HOMO SAPIENSP04275 (AlphaFold model)
Platelet glycoprotein ib alpha chainBprotein291HOMO SAPIENSP07359 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4C2A_1 VON WILLEBRAND FACTOR (chains A)
MEPPLHDFYCSRLLDLVFLLDGSSRLSEAEFEVLKAFVVDMMEQLRVSQKWVRVAVVEYH
DGSHAYIGLKDRKRPSELRRIASQVKYAGSQVASTSEVLKYTLFQIFSKIDRPEASRIAL
LLMASQEPQRMSRNFVRYVQGLKKKKVIVIPVGIGPHANLKQIRLIEKQAPENKAFVLSS
VDELEQQRDEIVSYLCDLAPEAPPPTLPPHHHHHH
Sequence of entity 2 (B), FASTA
>4C2A_2 PLATELET GLYCOPROTEIN IB ALPHA CHAIN (chains B)
HPICEVSKVASHLEVNCDKRRLTALPPDLPKDTTILHLSENLLYTFSLATLMPYTRLTQL
NLDRCELTKLQVDGTLPVLGTLDLSHNQLQSLPLLGQTLPALTVLDVSFNRLTSLPLGAL
RGLGELQELYLKGNELKTLPPGLLTPTPKLEKLSLANNRLTELPAGLLNGLENLDTLLLQ
ENSLYTIPKGFFGSHLLPFAFLHGNPWLCNCEILYFRRWLQDNAENVYVWKQVVDVKAVT
SNVASVQCDNSDKFPVYKYPGKGCPTLGDEGDTDLYDYYPEEDTEGDKVRG

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa1
CACCacodylate ionC2 H6 As O21

Water and common crystallization additives (ACT, PEG) are not listed.

Primary citation

Towards the Structural Basis of Regulation of Von Willebrand Factor Binding to Glycoprotein Ib. Blenner, M.A., Dong, X., Springer, T.A. J Biol Chem (2014) 289:5565. DOI 10.1074/JBC.M113.511220 · PubMed

Other PDB entries of the same protein (UniProt P04275 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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